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Creative and sexual science, or, Manhood, womanhood, and their mutual interrelations : love, its laws, power, etc.; selection, or mutual adaptation; courtship, married life, and perfect children; their generation, endowment, paternity, maternity, bearing, nursing and rearing; together with puberty, boyhood, girlhood, etc.; sexual impairments restored, male vigor and female health and beauty perpetuated and augmented, etc., as taught by phrenology and physiology